/// <summary>
/// Invokes the <see cref="TraceSources"/> factory method with a delegate
/// that adds a verbose console trace listener to all sources.
/// </summary>
/// <returns>Dispose to reset the default factory.</returns>
public static IDisposable TraceAllVerbose()
{
void Configure(SimpleTraceSource traceSource)
{
traceSource.TraceSource.TryAdd(
new Diagnostics.ConsoleTraceListener
{
Filter = new EventTypeFilter(SourceLevels.All),
});
traceSource.TraceSource.Switch.Level = SourceLevels.All;
}
void Remove(SimpleTraceSource traceSource)
=> traceSource.TraceSource.Listeners.Remove(Diagnostics.ConsoleTraceListener.DefaultName);
DelegateTraceSourceSelector selector = new DelegateTraceSourceSelector(Configure, Remove);
TraceSources.AddSelector(selector);
TraceSources.For(typeof(TestHelper))
.Verbose("TraceSources are verbose.");
void Dispose()
=> TraceSources.RemoveSelector(selector);
return(DelegateDisposable.With(Dispose));
}
private void setupTracingUnsafe()
{
bool resetIsInitializing = false;
try {
lock (SyncLock) {
if (!isInitialized ||
isInitializing)
{
return;
}
isInitializing = true;
resetIsInitializing = true;
}
TraceSources.For(TraceFileFactoryAssembly)
.Info("Configure tracing.");
HandleBeginSetupTracing();
disposeResources();
if (ToggleLogFile)
{
lock (SyncLock) {
logFileListener = CreateFileLogTraceListener();
}
}
setupConfigFileWatcher();
if (addToTraceSources)
{
TraceSources.AddSelector(this);
}
traceAction(
LogFileListener != null
? $"{nameof(LogFileFactory)} Trace File Initialized."
: $"{nameof(LogFileFactory)} Reset With No Trace File.");
} finally {
if (resetIsInitializing)
{
lock (SyncLock) {
isInitializing = false;
}
}
}
HandleEndSetupTracing();
}
/// <summary>
/// Removes a selector added in <see cref="AddSelector"/>.
/// </summary>
/// <param name="selector">Not null.</param>
/// <exception cref="ArgumentNullException"></exception>
public void RemoveSelector(ILogFileFactorySelector selector)
{
if (selector == null)
{
throw new ArgumentNullException(nameof(selector));
}
lock (SyncLock) {
if (!selectors.Remove(selector))
{
return;
}
if (!isInitialized ||
!addToTraceSources ||
isInitializing)
{
return;
}
}
TraceSources.RemoveSelector(this);
TraceSources.AddSelector(this);
}
/// <summary>
/// Static helper method is used to configure optional verbose tracing.
/// </summary>
private static void configureTracing()
{
Console.WriteLine("Verbose Tracing? (Y for Yes)");
ConsoleKey consoleKey = Console.ReadKey().Key;
Console.WriteLine();
if (consoleKey != ConsoleKey.Y)
{
return;
}
void Configure(SimpleTraceSource traceSource)
{
traceSource.TraceSource.TryAdd(
new Sc.Diagnostics.ConsoleTraceListener
{
Filter = new EventTypeFilter(SourceLevels.All),
});
traceSource.TraceSource.Switch.Level = SourceLevels.All;
}
TraceSources.AddSelector(new DelegateTraceSourceSelector(Configure));
TraceSources.For(typeof(Program))
.Verbose("TraceSources are verbose.");
}
